An underground mobile charging pile system and operation method thereof

Abstract

The present invention provides an underground mobile charging pile system, comprising a charging pile body, a positioning and identification system, a control system and a mobile system; the charging pile body provides power for charging vehicles; the positioning and identification system is used to identify license plates and charging positions, and transmit signals to the control system; the control system comprises a control device and a signal transceiver; the control device is an integrated management system, which has the functions of receiving and analyzing signals and issuing corresponding instructions; the signal transceiver receives the signal issued by the positioning and identification system, and after analyzing and processing by the control device, sends a signal instruction to control the mobile system; the mobile system provides a loading device for the charging pile body and a moving path thereof, and the moving path is installed underground; the mobile system enables the charging pile body to be finally moved to a designated position through the loading device and the moving path after the control system sends an instruction.

Description

Technical Field

[0001] The invention relates to an underground mobile charging pile system and an operation method thereof. Background Art

[0002] Limited by energy and environmental quality requirements, the popularization of new energy vehicles is an inevitable trend. As a result, supporting infrastructure to support the convenient use of new energy vehicles has also been put on the agenda. The main problem currently exists is that the number of fixed charging piles installed is increasing, but it still cannot meet the needs of convenient charging of new energy vehicles, and the occupation of various factors leads to the generally low utilization rate of charging piles. Therefore, mobile charging piles have come into people's view. Because new energy vehicles are mostly charged in underground garages, parking lots and other places, current mobile charging piles are mainly deployed on the ground space, including ground / wall installation and hanging installation.

[0003] Ground / wall installation requires that the mobile support components (guide rails, guide devices) be located on the ground / wall, which occupies a large area and is prone to colliding with obstacles or being damaged, and has high requirements for personnel participation or intelligence; suspended mobile support components are generally set on the top or suspended in mid-air, which requires the mobile components to have good load-bearing and stability capabilities, and is not conducive to the charging operation of new energy vehicles by mobile charging piles, nor is it conducive to the retraction and deployment of linear components such as charging cables. Summary of the invention

[0004] The purpose of the present invention is to overcome the above-mentioned defects and provide an underground mobile charging pile system suitable for parking places such as garages, parking lots, and service stations.

[0005] The present invention adopts the following technical solutions:

[0006] An underground mobile charging pile system shown in the figure includes: a charging pile body, a positioning and identification system, a control system and a mobile system; the charging pile body includes a charging gun, which provides power for charging the vehicle; the positioning and identification system is used to identify the license plate and the charging position, and transmit the signal to the control system; the control system includes a control device and a signal transceiver; the control device is an integrated management system, which has the function of receiving and analyzing signals and can issue corresponding instructions; the signal transceiver receives the signal sent by the positioning and identification system, and after analyzing and processing by the control device, sends a signal instruction to control the mobile system; the mobile system provides a loading device for the charging pile body and its moving path; the moving path is installed underground, and the loading device includes a lifting device; the mobile system enables the charging pile body to be finally moved to the specified position through the loading device through the moving path after the control system sends an instruction, and the charging pile body is sent to the ground through the lifting device.

[0007] Preferably, the moving path includes: an operating channel, which is located below the ground and is a channel for the charging pile body to move; a charging opening, wherein a plurality of charging openings are arranged above the operating channel so that the charging pile body can rise above the ground through the charging opening, and an elastic sealing strip is arranged around the charging opening; an opening and closing device, which is installed at the charging opening position; the opening and closing device includes a first driving motor, a connecting rod, a cover plate, and an opening and closing power supply device; the opening and closing power supply device supplies power to the first driving motor, one end of the connecting rod is installed on the side wall of the charging opening through the first driving motor, and the other end is connected to the cover plate, and the first driving motor can rotate forward or reverse, so that the connecting rod drives the cover plate to open or close the charging opening; a moving component, including a guide rail, a sliding component, a second driving motor, and a power supply device; the sliding component is installed on the guide rail and can slide on the guide rail; the sliding component is connected to and fixed to the loading device; the second driving motor is connected to and drives the sliding component; the power supply device provides energy so that the second driving motor drives the sliding component to run on the guide rail.

[0008] Preferably, the guide rail includes a main channel formed by two tracks; the spacing between the two tracks is not less than the width of the charging pile body; the sliding assembly includes: one or more groups of sliding blocks that move in coordination with the guide rail; a connecting device, wherein the connecting device is a locking structure in which a lock tongue and a lock pin cooperate, connecting and fixing the sliding block and the loading device; the power supply device is the charging pile body.

[0009] Preferably, the main channel is also provided with a plurality of branch channels formed by double tracks; a plurality of charging openings are provided on the branch channels; a steering mechanism is provided on the slider assembly, which can guide the slider assembly to enter the branch channel from the main channel, or return from the branch channel to the main channel.

[0010] Preferably, a mains power grid is buried in the ground at the top of the operating channel, which serves as the opening and closing power supply device to power the first drive motor, and a mains power interface terminal is opened at each of the charging openings; an input interface is provided at the upper end of the charging pile body; the input interface is electrically coupled to the mains power interface terminal to provide charging power for the charging pile body.

[0011] Preferably, the charging pile body also includes: a mechanical arm, which is fixedly connected to the charging pile body, and the connection can be rotated at any angle and is controlled by the control unit of the charging pile body; the end of the mechanical arm has an openable and closable mechanical claw, which is used to take the charging gun to perform charging and gun removal actions; a storage cavity, which is arranged on the side of the charging pile body, for storing the mechanical arm; a storage signal element for detecting the storage status of the mechanical arm is provided in the storage cavity.

[0012] Preferably, the loading device includes: a connecting frame, connected and fixed to the mobile system; a bearing chassis, connected and fixed to the connecting frame; a lifting device, including: a guide pillar, fixed to the bearing chassis, and provided with a guide cavity; a lifting rack, installed in the guide cavity, and the charging pile body is connected and fixed above the lifting rack; a gear, cooperating with the lifting rack; a third drive motor, installed and fixed on the bearing chassis, connected to drive the gear to rotate, and drive the lifting rack to slide up and down in the guide cavity; the third drive motor is powered by electricity provided by the charging pile body.

[0013] Preferably, the positioning and identification system comprises: an identification device arranged on the ground, a trigger device and a light source device arranged in the operating channel; the identification device is an image recognition device, which can identify the characteristics of the electric vehicle license plate and is arranged above the operating channel; the trigger device is a manual trigger element, or a cloud platform signal receiving device, or a combination of a manual trigger element and a cloud platform signal receiving device, which can communicate with the control system; the light source device is connected to the identification device, and is provided with a light source on a protruding surface, and the light source device emits a light signal to the surroundings after being started.

[0014] Preferably, the signal transceiver device of the control system includes: a first signal communication element, a second signal communication element, a first distance sensing switch, a second distance sensing switch, and a light sensing switch; the first signal transmission element is installed on the control device; the second signal transmission element is installed above the charging pile body, and communicates with the first signal transmission element by sending and receiving signals; the first distance sensing switch is installed toward the side of the charging opening to detect whether there is an obstacle below the charging opening in the horizontal direction; the first distance sensing switch forms a loop with the control device and is in a normally open state; the second distance sensing switch and the light sensing switch are arranged in series above the charging pile body; the second distance switch is normally open to detect the distance to the top of the operating channel, and is disconnected when the detection value is greater than a threshold; the light sensing switch is normally open to receive the light signal of the light source device.

[0015] An operating method of an underground mobile charging pile system comprises the following steps:

[0016] S1: The vehicle enters the parking space, the recognition device recognizes the license plate features, and the owner places an order through the cloud platform signal receiving device or manually triggers the trigger device.

[0017] S2: After receiving and analyzing the signal sent by the identification device and the signal sent by the trigger device, the control system starts the light source device to send out a light signal, and at the same time starts to control the first drive motor to rotate, opens the cover, and exposes the charging opening.

[0018] S3: The photosensitive switch on the charging pile body is closed after receiving the light signal, and at the same time, the second driving motor drives the slider to move on the guide rail, driving the charging pile body to move in the operating channel.

[0019] S4: When the second distance switch detection signal passes through the charging opening, the detection value exceeds the threshold and is disconnected, the second drive motor stops, and the charging pile body is fixed under the charging opening; at the same time, the light source device is turned off and the light sensor switch is disconnected.

[0020] S5: The lifting device works, driving the bottom of the charging pile body to move upward, and the charging gun and the robotic arm are exposed to the ground; the robotic arm unfolds and takes the charging gun for charging.

[0021] S6: After charging is completed, the robotic arm pulls out the gun, places the charging gun back to its original position, and then folds back into the storage cavity, triggering the storage signal element, and the lifting device drives the charging pile body to descend.

[0022] S7: After receiving and analyzing the signal of the receiving signal element and the signal of the first distance switch, the control device closes the cover, the second distance switch is closed, and the charging pile is on standby.

[0023] Preferably, in step S4: when the main channel is also provided with a plurality of branch channels formed by double tracks, the second distance switch detection port is rotatable, and initially emits a detection signal horizontally to detect the distance to the side wall, and when the detection value exceeds a first threshold value, the steering mechanism on the sliding assembly drives the charging pile along the switching guide rail into the branch guide rail; at the same time, the second distance switch detection port is rotated upward by 90°, and emits a detection signal vertically to detect the distance to the top, and when the detection value exceeds the second threshold value, the circuit is disconnected, the second drive motor stops, and the charging pile body is fixed below the charging opening; at the same time, the light source device is turned off, and the photosensitive switch is disconnected.

[0024] Preferably, in step S2: after receiving the order signal from the cloud platform, the trigger device of the positioning and identification system triggers the light source device in advance, and the charging pile body moves toward the light source device; at the same time, the second signal transmission element on the upper part of the charging pile body sends out an electromagnetic wave signal, and when the electromagnetic wave signal is received by the first signal transmission element and the second signal transmission element does not detect the reflected signal, the second distance sensing switch is disconnected, the charging pile body stops moving, and the charging system enters standby state.

[0025] The beneficial effects of the present invention are as follows: the charging piles can be moved in the underground space and can be moved to any parking space for use without occupying the ground space, while improving the charging convenience of users; the charging piles of the system can be moved over long distances, reducing the density of charging piles in parking lots, improving the utilization efficiency of charging piles, and reducing infrastructure costs; at the same time, intelligent charging operations are provided to improve user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is an overall schematic diagram of the present invention.

[0027] Figure 2 It is a partial schematic diagram of the present invention.

[0028] Figure 3 It is a schematic diagram of the charging opening closed state of the present invention.

[0029] Figure 4 It is a partial schematic diagram of the present invention.

[0030] Figure 5 It is a schematic diagram of a lifting device of the present invention. DETAILED DESCRIPTION

[0031] In order to make the purpose and technical solution of the present invention clearer, the present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0032] like Figure 1 to Figure 4 An underground mobile charging pile system shown in the figure includes: a charging pile body 7, a positioning and identification system 6, a control system and a mobile system; the charging pile body 7 provides power for charging the vehicle, including a charging gun (not shown in the figure); the positioning and identification system 6 is used to identify the license plate and the charging position, and transmit the signal to the control system 5; the control system includes a control device 5 and a signal transceiver; the control device 5 is an integrated management system, which has the function of receiving and analyzing signals and can issue corresponding instructions; the signal transceiver receives the signal sent by the positioning and identification system, and after analyzing and processing by the control device, sends a signal instruction to control the mobile system; the mobile system provides a loading device for the charging pile body and its moving path, and the moving path is installed underground; the mobile system enables the charging pile body to be finally moved to the specified position through the loading device through the moving path after the control system sends an instruction, and the charging pile body is sent to the ground.

[0033] Preferably, the moving path includes: an operating channel 9, which is located below the ground 1 and forms a channel for the charging pile body to move with the lower ground 11; a charging opening 3, wherein a plurality of charging openings 3 are arranged above the operating channel 9, so that the charging pile body 7 can rise to the ground 1 through the charging opening 3, and an elastic sealing strip 31 is arranged around the charging opening; an opening and closing device 4, which is installed at the position of the charging opening 3; and includes a first driving motor 41, a connecting rod 42, a cover plate 43, and an opening and closing power supply device (not shown in the figure); the opening and closing power supply device supplies power to the first driving motor 41, and one end of the connecting rod 42 is installed by the first driving motor 41. On the side wall of the charging opening 3, the other end is connected to a cover plate 43, and the first drive motor 41 can rotate forward or reverse, so that the connecting rod 42 drives the cover plate 43 to open or close the charging opening 3; the moving component 2 includes a guide rail 21, a sliding component 22, a second drive motor 23, and a power supply device; the sliding component 22 is installed on the guide rail 21 and can slide on the guide rail 21; the sliding component 22 is connected to and fixed to the loading device 8; the second drive motor 23 is connected to and drives the sliding component 22; the power supply device provides energy so that the second drive motor 23 drives the sliding component 22 to run on the guide rail 21.

[0034] Preferably, the guide rail 21 includes a main channel formed by two tracks; the spacing between the two tracks is not less than the width of the charging pile body 7; the sliding assembly 22 includes: one or more groups of sliding blocks that move in cooperation with the guide rail 21; a second drive motor 23, connected to the power supply device, driving the sliding block to move on the guide rail 21; a connecting device (not shown in the figure), the connecting device is a locking structure in which a lock tongue and a lock pin cooperate, connecting and fixing the sliding block and the loading device; the power supply device is the charging pile body 7; preferably, the two tracks are installed above the running channel 9, that is, installed on the lower surface of the ground 1.

[0035] Preferably, the main channel is also provided with a plurality of branch channels formed by double tracks; a plurality of charging openings are provided on the branch channels; a steering mechanism is provided on the slider assembly, which can guide the slider assembly to enter the branch channel from the main channel, or return from the branch channel to the main channel.

[0036] Preferably, a mains power grid (not shown in the figure) is buried in the top ground 1 of the operating channel 9, which serves as the opening and closing power supply device to power the first drive motor 41, and a mains power interface terminal (not shown in the figure) is opened at each of the charging openings 3; an input interface is provided at the upper end of the charging pile body 7; the input interface is electrically coupled to the mains power interface terminal to provide charging power for the charging pile body.

[0037] Preferably, Figure 4As shown, the charging pile body 7 also includes: a mechanical arm 72, which is fixedly connected to the charging pile body 7, and the connection can be rotated at any angle and is controlled by the control unit of the charging pile body; the end of the mechanical arm has an openable and closable mechanical claw for taking the charging gun to perform charging and gun removal actions; a storage cavity 71, which is arranged on the side of the charging pile body, is used to store the mechanical arm 72; the storage cavity 71 is provided with a storage signal element 73 for detecting the storage status of the mechanical arm.

[0038] Preferably, Figure 2 , Figure 5 As shown, the loading device 8 includes: a connecting frame 81, connected and fixed to the mobile system; a bearing chassis 82, connected and fixed to the connecting frame 81; a lifting device, including: a guide pillar 83, fixed to the bearing chassis 82, provided with a guide cavity 831; a lifting rack 832, installed in the guide cavity 831, the upper part of the lifting rack 832 is connected and fixed to the charging pile body 7; a gear 84, matched with the lifting rack 832;

[0039] The third driving motor 85 is installed and fixed on the supporting chassis 82 , connected to drive the gear 84 to rotate, and drives the lifting rack 832 to slide up and down in the guide cavity 831 ; the third driving motor 85 is driven by electricity provided by the charging pile body 7 .

[0040] Preferably, Figure 2 As shown, the positioning and identification system includes: an identification device 61 arranged on the ground, a trigger device 62 and a light source device 63 arranged in the operation channel; the identification device 61 is an image recognition device, which can identify the characteristics of the electric vehicle license plate and is arranged above the operation channel; the trigger device 62 is a manual trigger element, or a cloud platform signal receiving device, or a manual trigger element and a cloud platform signal receiving device, which can communicate with the control system; the light source device 63 is connected to the identification device 61, and is provided with a light source on a protruding surface. After the light source device is started, it emits a light signal to the surroundings.

[0041] Preferably, Figure 2 to Figure 4As shown, the signal transceiver device of the control system includes: a first signal communication element 51, a second signal communication element 52, a first distance sensing switch 53, a second distance sensing switch 54, and a light sensing switch 55; the first signal transmission element 51 is installed on the control device 5; the second signal transmission element 52 is installed above the charging pile body 7, and communicates with the first signal transmission element 51 by sending and receiving signals; the first distance sensing switch 53 is installed toward the side of the charging opening 3 to detect whether there is an obstacle below the charging opening 3 in the horizontal direction; the first distance sensing switch 53 and the control device 5 form a loop and are in a normally open state; the second distance sensing switch 54 and the light sensing switch 55 are arranged in series above the charging pile body; the second distance switch 54 is turned on to detect the distance from the top of the operating channel, and is disconnected when the detection value is greater than the threshold; the light sensing switch 55 is normally open, and is used to receive the light signal of the light source device 63.

[0042] An operating method of an underground mobile charging pile system comprises the following steps:

[0043] S1: The vehicle enters the parking space, the recognition device 61 recognizes the license plate features, and the vehicle owner places an order through the cloud platform signal receiving device or manually triggers the trigger device 62.

[0044] S2: After receiving and analyzing the signal from the identification device 61 and the signal from the trigger device 62, the control system starts the light source device 63 to emit a light signal, and at the same time turns on the control of the first drive motor 41 to rotate, opens the cover 43, and exposes the charging opening 3.

[0045] S3: The light switch 55 on the charging pile body 7 is closed after receiving the light signal, and at the same time, the second drive motor 23 drives the slider to move on the guide rail 21, driving the charging pile body 7 to move in the running channel 9.

[0046] S4: When the second distance switch 54 detects a signal passing through the charging opening, the detection value exceeds the threshold and the device is disconnected, the second drive motor 23 stops, and the charging pile body 7 is fixed below the charging opening 3; when the second distance switch 54 is turned on, two signals are sent out, one of which is sent out through the second signal transmission element 52. When the first signal transmission element 51 receives the signal, it detects that the first distance switch is in a closed state (the first distance switch detects the distance between the robot arm and the detection value is greater than the threshold and the device is disconnected), the control system sends a command to turn off the light source device 63 and disconnect the light sensing switch 55; preferably, the signal sent out by the second signal transmission element 52 is an electromagnetic wave.

[0047] S5: Another path is transmitted to the third drive motor 85 of the lifting device 8 through the control unit of the charging pile body (not shown in the figure); the transmission shaft of the third drive motor 85 rotates to drive the gear 84 fixedly connected to it to rotate; the gear 84 is meshed with the lifting rack 832, and the lifting rack 832 stops when it slides to the specified position in the guide pillar 83, and the charging gun and the mechanical arm of the charging pile body are exposed to the ground; the signal trigger element on the lifting device (not shown in the figure) sends a signal to the control unit of the charging pile body, and the control unit controls the mechanical arm to take out the charging gun and perform the charging action.

[0048] S6: After charging is completed or the order execution completion signal from the cloud platform is received, the control unit of the charging pile body 7 controls the mechanical arm 72 to pull out the gun. After placing the charging gun back to its original position, the mechanical arm 72 folds back into the storage cavity 71 and triggers the storage signal element 73. The storage signal element 73 sends an end signal. The end signal is transmitted in two ways, one of which is transmitted to the control unit in the charging pile body, causing it to send a landing signal to the third drive motor, so that the lifting device 8 drives the charging pile body 7 to descend.

[0049] S7: Another transmission path is sent to the second signal transmission element 52 on the upper part of the charging pile, causing it to send out a signal. After the first signal transmission element 51 receives the signal, the control device 5 detects that the first distance switch 53 is in the disconnected state, starts the first drive motor 41, and closes the cover 43; after the cover 43 is closed, the second distance switch 54 senses that the detection distance is less than the threshold, and the second distance switch 54 is closed again, and the system is in standby state.

[0050] Preferably, in step S4: when the main channel is also provided with a plurality of branch channels formed by double tracks, the second distance switch detection port is rotatable, and initially emits a detection signal horizontally to detect the distance to the side wall. When the detection value exceeds the first threshold value, the steering mechanism on the sliding assembly drives the charging pile along the switching guide rail into the branch guide rail; at the same time, the second distance switch detection port is rotated 90° upward, and emits a detection signal vertically to detect the distance to the top. When the detection value exceeds the second threshold value, the circuit is disconnected, the second drive motor stops, and the charging pile body is fixed below the charging opening; at the same time, the light source device is turned off, and the light sensing switch is disconnected; at this time, the second distance switch disconnects the signal. Two-way transmission: one way is transmitted to the second signal transmission element 52 on the upper part of the charging pile body, causing it to emit electromagnetic waves. After the first signal transmission element 51 receives the electromagnetic waves, when it detects that the first distance switch 53 is in a closed state (the first distance switch detects the distance between the robot arm and the detection value is greater than the threshold and is disconnected), a command is sent to turn off the light source device 63, and the photosensitive switch 55 on the charging pile body 7 is disconnected; at this time, because the second distance switch and the photosensitive switch are both in the disconnected state, when a new charging request comes in, the charging pile will not move, thereby ensuring the integrity of the charging process; at the same time, the charging pile is located in the branch channel and will not affect the operation of other charging piles in the main channel.

[0051] Preferably, in order to improve customer experience, in step S2, the trigger device of the positioning and identification system triggers the light source device 63 in advance after receiving the order signal from the cloud platform, and the charging pile body 7 moves toward the light source device 63; at the same time, the second signal transmission element 52 on the upper part of the charging pile body sends out an electromagnetic wave signal. When the electromagnetic wave signal is received by the first signal transmission element 51 and the second signal transmission element 52 does not detect the reflected signal, the second distance sensing switch is disconnected, the charging pile body 7 stops moving, and the charging system enters standby mode.

[0052] In the description of the invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] The components used in the present invention are all universal standard parts or components known to technical personnel in this field. Their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. For example: the cooperation between the sliding assembly and the track, and the slider entering the branch channel from the main channel are existing common technologies, the locking structure of the lock tongue and the lock pin is a conventional connection method, the setting of the control system and the processing of signals, including the sending and receiving of photoelectric signals are all conventional technologies, and the present invention will not elaborate on them.

[0054] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the present invention.

Claims

1. An underground mobile charging pile system, characterized in that: include: Charging pile body, positioning and identification system, control system and mobile system; The charging pile body provides power for charging the vehicle, including a charging gun; The positioning and recognition system is used to recognize the license plate and charging position and transmit the signal to the control system; The control system comprises a control device and a signal transceiver; The control device is an integrated management system that has the functions of receiving and analyzing signals and issuing corresponding instructions; The signal transceiver receives the signal sent by the positioning identification system, analyzes and processes it through the control device, and then sends a signal instruction to control the mobile system; The mobile system provides a loading device and a moving path for the charging pile body; the moving path is installed underground, and the loading device includes a lifting device; the mobile system enables the charging pile body to be moved to a designated position through the loading device and the moving path after the control system sends an instruction, and the charging pile body is sent to the ground through the lifting device; The moving path includes: The running channel is located below the ground and is the channel for the charging pile to move; Charging openings, wherein a plurality of charging openings are arranged above the running channel, so that the charging pile body can be raised above the ground through the charging openings; An opening and closing device is installed at the charging opening; it includes a first driving motor, a connecting rod, a cover plate, and an opening and closing power supply device; the opening and closing power supply device supplies power to the first driving motor, one end of the connecting rod is installed on the side wall of the charging opening through the first driving motor, and the other end is connected to the cover plate, the first driving motor can rotate forward or reverse, so that the connecting rod drives the cover plate to open or close the charging opening; A moving assembly, including a guide rail, a sliding assembly, a second drive motor, and a power supply device; The sliding assembly is mounted on the guide rail and can slide on the guide rail; The sliding assembly is connected to and fixed to the loading device; The second driving motor is connected to and drives the sliding assembly; The power supply device provides energy so that the second drive motor drives the sliding assembly to run on the guide rail; The positioning and identification system comprises: an identification device arranged on the ground, a trigger device and a light source device arranged in the running channel; The recognition device is an image recognition device that can recognize the characteristics of the electric vehicle license plate and is arranged above the running channel; The trigger device is a manual trigger element, or a cloud platform signal receiving device, or a combination of a manual trigger element and a cloud platform signal receiving device, and can communicate with the control system; The light source device is connected to the recognition device and is provided with a light source protruding from the surface. When the light source device is activated, it emits light signals to the surroundings. The signal transceiver device of the control system includes: a first signal communication element, a second signal communication element, a first distance sensing switch, a second distance sensing switch, and a light sensing switch; The first signal transmission element is mounted on the control device; The second signal transmission element is installed above the charging pile body and communicates with the first signal transmission element by sending and receiving signals; The first distance sensing switch is installed toward one side of the charging opening to detect whether there is an obstacle below the charging opening in the horizontal direction; the first distance sensing switch forms a loop with the control device and is in a normally open state; The second distance sensing switch and the light sensing switch are arranged in series above the charging pile body; The second distance switch is normally open to detect the distance to the top of the running channel, and is disconnected when the detection value is greater than a threshold value; The light-sensing switch is normally open and is used to receive the light signal of the light source device.

2. An underground mobile charging pile system according to claim 1, characterized in that: An elastic sealing strip is arranged around the charging opening.

3. The underground mobile charging pile system according to claim 1, characterized in that: The guide rail includes a main channel formed by two tracks; the distance between the two tracks is not less than the width of the charging pile body; The sliding assembly comprises: One or more sets of sliding blocks moving in cooperation with the guide rails; A connecting device, which is a locking structure in which a lock tongue and a lock pin cooperate, connecting and fixing the sliding block and the loading device; The power supply device is a charging pile body.

4. The underground mobile charging pile system according to claim 3, characterized in that: The main channel is also provided with a plurality of branch channels formed by double tracks; a plurality of charging openings are provided on the branch channels; The sliding component is provided with a steering mechanism, which can guide the sliding component from the main channel to the branch channel, or from the branch channel back to the main channel.

5. An underground mobile charging pile system according to any one of claims 1 to 4, characterized in that: A mains power grid is buried in the ground at the top of the running channel, serving as the opening and closing power supply device to supply power to the first drive motor, and a mains power interface terminal is provided at each of the charging openings; An input interface is provided at the upper end of the charging pile body; The input interface is electrically coupled to the mains interface to provide charging power for the charging pile body.

6. An underground mobile charging pile system according to claims 1-4, characterized in that: The charging pile body also includes: The mechanical arm is fixedly connected to the charging pile body. The connection can be rotated at any angle and is controlled by the control unit of the charging pile body. The end of the mechanical arm has an openable mechanical claw, which is used to pick up the charging gun to perform charging and gun removal actions. A storage cavity is provided on the side of the charging pile body and is used to store the robotic arm; a storage signal element for detecting the storage state of the robotic arm is provided in the storage cavity.

7. The underground mobile charging pile system according to claim 1, characterized in that: The loading device comprises: A connecting frame, connected and fixed to the mobile system; A bearing chassis connected and fixed to the connecting frame; The lifting device comprises: A guide pillar, fixed on the bearing chassis, and provided with a guide cavity; A lifting rack is installed in the guide cavity, and the charging pile body is connected and fixed above the lifting rack; A gear, cooperating with the lifting rack; The third driving motor is installed and fixed on the bearing chassis, connected to drive the gear to rotate, and drives the lifting rack to slide up and down in the guide cavity; the third driving motor is driven by electricity provided by the charging pile body.

8. The underground mobile charging pile system according to claim 4, characterized in that: A mains power grid is buried in the ground at the top of the running channel, serving as the opening and closing power supply device to supply power to the first drive motor, and a mains power interface terminal is provided at each of the charging openings; an input interface is provided at the upper end of the charging pile body; the input interface is electrically coupled to the mains power interface terminal to provide charging power for the charging pile body; The charging pile body also includes: a mechanical arm, which is fixedly connected to the charging pile body, and the connection can be rotated at any angle and is controlled by the control unit of the charging pile body; the end of the mechanical arm has an openable and closable mechanical claw, which is used to take the charging gun to perform charging and gun removal actions; a storage cavity, which is provided on the side of the charging pile body, and is used to store the mechanical arm; the storage cavity is provided with a storage signal element for detecting the storage state of the mechanical arm; The loading device includes: a connecting frame, connected and fixed to the mobile system; a bearing chassis, connected and fixed to the connecting frame; the lifting device includes: a guide pillar, fixed on the bearing chassis, and provided with a guide cavity; a lifting rack, installed in the guide cavity, and the charging pile body is connected and fixed above the lifting rack; a gear, cooperating with the lifting rack; a third drive motor, installed and fixed on the bearing chassis, connected to drive the gear to rotate, and drive the lifting rack to slide up and down in the guide cavity; the third drive motor is driven by electricity provided by the charging pile body.

9. An operating method using the system of claim 8, characterized in that: The following steps are involved: S1: The vehicle enters the parking space, the recognition device recognizes the license plate features, and the owner places an order through the cloud platform signal receiving device or manually triggers the trigger device; S2: After receiving and analyzing the signal sent by the identification device and the signal sent by the trigger device, the control system starts the light source device to send out a light signal, and at the same time controls the first drive motor to rotate, opens the cover plate, and exposes the charging opening; S3: The photosensitive switch on the charging pile body is closed after receiving the light signal, and at the same time, the second driving motor drives the slider to move on the guide rail, driving the charging pile body to move in the running channel; S4: When the second distance switch detection signal passes through the charging opening, the detection value exceeds the threshold and the second drive motor stops, and the charging pile body is fixed under the charging opening; at the same time, the light source device is turned off and the light sensor switch is disconnected; S5: The lifting device works, driving the bottom of the charging pile body to move upward, and the charging gun and the robotic arm are exposed to the ground; the robotic arm unfolds and takes the charging gun for charging; S6: After charging is completed, the robotic arm removes the gun, places the charging gun back to its original position, and then folds the robotic arm back into the storage cavity, triggering the storage signal element, and the lifting device drives the charging pile body to descend; S7: After receiving and analyzing the signal of the receiving signal element and the signal of the first distance switch, the control device closes the cover, the second distance switch is closed, and the charging pile is on standby.

10. The method for operating an underground mobile charging pile system according to claim 9, characterized in that: In step S4: In the case where the main channel is also provided with a plurality of branch channels formed by double tracks, the second distance switch detection port is rotatable, and initially transmits a detection signal horizontally to detect the distance to the side wall. When the detection value exceeds a first threshold value, the steering mechanism on the sliding assembly drives the charging pile along the switching guide rail into the branch guide rail; at the same time, the second distance switch detection port is rotated 90° upward, and transmits a detection signal vertically to detect the distance to the top. When the detection value exceeds the second threshold value, the circuit is disconnected, the second drive motor stops, and the charging pile body is fixed below the charging opening; at the same time, the light source device is turned off, and the photosensitive switch is disconnected.

11. The method for operating an underground mobile charging pile system according to claim 9 or 10, characterized in that: In step S2: After receiving the order signal from the cloud platform, the trigger device of the positioning and identification system triggers the light source device in advance, and the charging pile body moves toward the light source device; at the same time, the second signal transmission element on the upper part of the charging pile body sends out an electromagnetic wave signal. When the electromagnetic wave signal is received by the first signal transmission element and the second signal transmission element does not detect the reflected signal, the second distance sensing switch is disconnected, the charging pile body stops moving, and the charging system enters standby state.

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